A Field Guide to The Birds: East of the Rockies.
Tory Peterson, Roger.
A Field Guide to The Birds: East of the Rockies. - Boston, Estados Unidos de América : Houghton Mifflin Company, 1980 - 384 p.
0-395-26621-1
A Field Guide to The Birds: East of the Rockies. - Boston, Estados Unidos de América : Houghton Mifflin Company, 1980 - 384 p.
0-395-26621-1